Biology
Dolphins, or dolphins (lat. Delphinidae) are a family of mammals of the order Cetaceans, suborder of toothed whales (Odontoceti). General description Skeleton (bottom) and layout (top)... More details
Chapter Dolphins and Science Over the past two decades, dolphins have come to the forefront of science. They turned out to be excellent laboratory animals that are calm about... More details
Let's expose! Is the red-billed dragger a vampire? November 6th, 2015 I saw this note from a respected online publication. I've never heard of such birds. No, I know that there are also. But here... More details
For answers to tasks 29-32, use a separate sheet. First write down the number of the task (29, 30, etc.), and then the answer to it. Write down your answers clearly and legibly. BIOSPHERE Biosphere (from... More details
Biotic environmental factors In nature, there are complex and diverse relationships both within populations and between populations of different species. Through their vital activity, organisms exert... More details
The book by the American scientist R. Feurle “Erectus Wanders Among Us” is devoted to a discussion of the most controversial and complex issues of modern evolutionary anthropology. Speaking as a critic of the position... More details
Other birds compete with their colorful plumage. It's not like rhinoceroses at all - they themselves are not bright. All they need to stand out is their amazing beak. And they also have eyelashes! Hornbills... More details
How much does it cost to write your work? Type of work Diploma work (bachelor/specialist) Coursework with practice Course theory Abstract Test work Objectives Essay Certification... More details
Ravilov Vladimir | 2014-10-08 Growing cultivated plants requires certain skills. There are skills that we acquired from childhood and perform agricultural work, not... More details
Nature is beautiful and diverse. Existing on the same planet, plants and animals were forced to learn to coexist with each other. The relationship between organisms is not easy, but... More details
June 4th, 22:11 As is clear from the title of the post, today a major discovery took place in anthropology - a dozen species of monkeys were discovered that walk on two legs, like humans! Author... More details
Practical work Processing of graphic information, contains 12 tasks on the relevant topic (the work is suitable for 8th grade students studying Bosova’s teaching materials). Task 1. Working with... More details
For answers to tasks 29-32, use a separate sheet. First write down the number of the task (29, 30, etc.), and then the answer to it. Write down your answers clearly and legibly. ARISTOTLE -... More details
20. Let us define the concept. An organ is a part of the body that performs certain functions. 21. Let’s sign the names of the flower organs indicated in the figure by numbers. 22. Let's fill out the table. 23.... More details
In eukaryotes, photosynthesis occurs in special organelles called chloroplasts. Chloroplasts are scattered in the cytoplasm, their number varies from one (as in Chlamydomonas and Chlorella) to approximately... More details